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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 11173200 ARROYO HONDO NR SAN JOSE CA


Santa Clara County, California
Hydrologic Unit Code 18050004
Latitude  37°27'42", Longitude 121°46'06" NAD27
Drainage area 77.1  square miles
Gage datum 786.83 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1968-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 138 74 182 87 21 8.6 3.5 1.6 0.99 1 2.5 41
2 127 113 163 79 20 8.3 3.5 1.5 0.97 1 2.2 63
3 84 165 153 70 25 8.2 3.4 1.5 0.97 1 2 22
4 73 155 187 91 23 8 3.3 1.5 0.98 1.1 2.3 21
5 134 130 197 98 21 7.9 3.2 1.4 0.96 1.1 2.2 22
6 89 157 163 83 19 7.6 3.1 1.4 0.95 1 2.8 17
7 79 223 154 72 18 7.3 3 1.4 0.94 1.1 3.1 17
8 122 149 130 65 17 7.1 2.9 1.4 0.93 1.2 5.6 20
9 189 185 108 58 17 7.1 2.9 1.3 0.94 1.2 6 16
10 252 172 186 52 16 6.9 2.8 1.3 0.93 1.2 3.7 54
11 197 123 130 50 15 6.6 2.7 1.3 0.92 1.1 7 56
12 160 120 123 59 15 6.4 2.6 1.3 0.92 1.3 9.5 52
13 129 198 137 77 15 6.2 2.6 1.3 0.91 1.2 5 27
14 168 205 137 58 14 6 2.5 1.2 0.93 3.3 15 38
15 183 165 111 48 14 5.9 2.4 1.2 0.93 1.7 13 30
16 210 168 102 46 15 5.9 2.3 1.2 0.94 1.4 12 69
17 174 188 91 45 14 5.6 2.3 1.2 0.94 1.3 21 48
18 133 198 80 40 13 5.4 2.2 1.2 0.95 1.3 15 35
19 185 255 73 36 13 5.2 2.1 1.2 0.96 1.3 8.4 45
20 177 234 119 33 13 5.1 2.1 1.2 0.98 1.3 6.7 51
21 188 281 105 33 12 4.9 2 1.2 0.98 1.4 6.7 74
22 183 169 202 31 13 4.7 2 1.2 0.98 1.4 9 92
23 165 151 173 29 12 4.5 2 1.1 1 1.5 8.6 82
24 128 169 148 28 11 4.3 1.9 1.1 1 1.5 7.2 79
25 193 175 157 27 10 4.3 1.8 1.1 1 17 6.2 72
26 170 144 120 26 10 4.1 1.8 1.1 1 3.9 7.5 74
27 145 145 94 24 9.9 4 1.7 1 1 2.6 8.7 108
28 140 165 91 25 10 4 1.7 1 1 2.1 8.2 72
29 113 105 80 23 10 3.8 1.7 1 1 2.4 17 95
30 72   74 22 9.6 3.7 1.7 1 1 2.3 13 104
31 69   62   9   1.6 1   2.6   207